import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class Demo11 {
    public static void main(String[] args) {
        try(InputStream inputStream = new FileInputStream("./test.txt")){
            while(true){
                byte[] buffer =new byte[1024];
                //n返回值表示read操作,实际读取到多少个字节
                int n=inputStream.read(buffer);
                if(n==-1){
                    break;
                }
                for (int i = 0; i < n; i++) {
                    System.out.printf("0x%x\n",buffer[i]);
                }
            }
        }catch(IOException e){
            e.printStackTrace();
        }
    }
}
